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Invertor on grid ieftin

Actualizat: martie 2026

Un invertor on grid ieftin ofera de obicei puteri mai mici, intre 500 si 1000 de wati. Acestea sunt suficiente pentru alimentarea unui frigider, a unor becuri sau a unui televizor. Eficienta lor se invarte in jur de 95%, ceea ce este acceptabil. Majoritatea vin cu o garantie standard de 2 ani.

Chiar daca bugetul este limitat, nu compromite tensiunea de intrare. Alege un model care accepta panouri cu 24V. Aceasta ofera mai multa stabilitate si protejeaza investitia in panouri solare. Un invertor cu tensiune de intrare prea mica poate cauza probleme.

Pretul pentru acelasi model de invertor poate varia cu 10-15% intre magazine. Unele ofera transport gratuit, altele au stoc mai rapid. Verificarea mai multor surse iti poate economisi bani fara a sacrifica calitatea.

Invertoarele on grid cu tehnologie PWM sunt o optiune solida la bani putini. Sunt mai simple, dar foarte fiabile pentru instalatii mici de panouri. Iti ofera functionalitatea de baza la un pret foarte competitiv.

342 produse
Invertor off-Grid Victron Energy Phoenix, 12V, 375W, VE.Direct (Albastru)
Victron Energy Invertor off-Grid Victron Energy Phoenix, 12V, 375W, VE.Direct (Albastru) evomag.ro
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Invertor solar Off Grid TED de la 12V la 230V 850VA/500W unda sinusoidala pura TED000286
TED ELECTRIC Invertor solar Off Grid TED de la 12V la 230V 850VA/500W unda sinusoidala pura TED000286 vonmag.ro
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Invertor Off-Grid monofazat Victron Sun Inverter SIN121251100, 0.2kW, 200 W
Victron Invertor Off-Grid monofazat Victron Sun Inverter SIN121251100, 0.2kW, 200 W spy-shop.ro
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Invertor Off-Grid monofazat Victron Sun Inverter SIN241251100, 24V, 0.2kW, 200 W
Victron Invertor Off-Grid monofazat Victron Sun Inverter SIN241251100, 24V, 0.2kW, 200 W spy-shop.ro
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Invertor fotovoltaic Off-grid monofazat TED000279, 1100 VA, 700 W, MPPT, 2 prize
TED Invertor fotovoltaic Off-grid monofazat TED000279, 1100 VA, 700 W, MPPT, 2 prize spy-shop.ro
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Invertor solar Engros Off-grid 1Kw 12V Alien
Invertor solar Engros Off-grid 1Kw 12V Alien bazarulonline.ro/
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Invertor off-grid Victron Energy Phoenix 12/800 VE.Direct Schuko, 12V, 800W (Albastru)
Victron Energy Invertor off-grid Victron Energy Phoenix 12/800 VE.Direct Schuko, 12V, 800W (Albastru) evomag.ro
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Invertor solar Engros Off-grid 3Kw 24V Alien
Invertor solar Engros Off-grid 3Kw 24V Alien bazarulonline.ro/
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Invertor On-grid monofazat Livoltek GT1-3K, 3 kW, 3300 W, WiFi , 2 MPPT
Livoltek Invertor On-grid monofazat Livoltek GT1-3K, 3 kW, 3300 W, WiFi , 2 MPPT spy-shop.ro
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Invertor On-grid monofazat Livoltek GT1-3K6, 3.6 kW, 5400 Wp, WiFi , 2 MPPT
Livoltek Invertor On-grid monofazat Livoltek GT1-3K6, 3.6 kW, 5400 Wp, WiFi , 2 MPPT spy-shop.ro
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Invertor On-grid monofazat Livoltek GT1-4K, 4 kW, 6000 Wp, WiFi , 2 MPPT
Livoltek Invertor On-grid monofazat Livoltek GT1-4K, 4 kW, 6000 Wp, WiFi , 2 MPPT spy-shop.ro
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Invertor On-Grid monofazat nJoy ASTRIS 3K/1P1T1, 3 kW, WiFi integrat
nJoy Invertor On-Grid monofazat nJoy ASTRIS 3K/1P1T1, 3 kW, WiFi integrat spy-shop.ro
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Invertor On-grid monofazat Livoltek GT1-5K, 5 kW, 7500 Wp, WiFi , 2 MPPT
Livoltek Invertor On-grid monofazat Livoltek GT1-5K, 5 kW, 7500 Wp, WiFi , 2 MPPT spy-shop.ro
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Invertor solar Off-grid 3Kw 24V Must
Invertor solar Off-grid 3Kw 24V Must robazar.ro
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Invertor On-Grid monofazat Deye SUN-3K-G04, 3 kW, 3300 W, 1 MPPT, WiFi, display LCD
Deye Invertor On-Grid monofazat Deye SUN-3K-G04, 3 kW, 3300 W, 1 MPPT, WiFi, display LCD spy-shop.ro
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Invertor fotovoltaic Off-grid monofazat TED000309, 3600 VA, 2400 W, MPPT, 2 prize
TED Invertor fotovoltaic Off-grid monofazat TED000309, 3600 VA, 2400 W, MPPT, 2 prize spy-shop.ro
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Invertor On-Grid monofazat Solplanet ASW3000-S, 3 kW, 3000 W, WiFi
Solplanet Invertor On-Grid monofazat Solplanet ASW3000-S, 3 kW, 3000 W, WiFi spy-shop.ro
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Invertor On-grid monofazat Livoltek GT1-6K, 6 kW, 9000 Wp, WiFi , 2 MPPT
Livoltek Invertor On-grid monofazat Livoltek GT1-6K, 6 kW, 9000 Wp, WiFi , 2 MPPT spy-shop.ro
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Invertor solar Off Grid TED de la 48V la 230V 3600VA/2400W unda sinusoidala pura TED000309
TED ELECTRIC Invertor solar Off Grid TED de la 48V la 230V 3600VA/2400W unda sinusoidala pura TED000309 vonmag.ro
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Invertor On-Grid monofazat nJoy ASTRIS 5K/1P2T2, 5kW, WiFi integrat
nJoy Invertor On-Grid monofazat nJoy ASTRIS 5K/1P2T2, 5kW, WiFi integrat spy-shop.ro
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Invertor On-Grid monofazat Sungrow SG3.0RS, 3 kW, 3000 W, WiFi
Sungrow Invertor On-Grid monofazat Sungrow SG3.0RS, 3 kW, 3000 W, WiFi spy-shop.ro
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Invertor On-Grid monofazat Solplanet ASW3680-S, 3.6 kW, 3680 W, WiFi
Solplanet Invertor On-Grid monofazat Solplanet ASW3680-S, 3.6 kW, 3680 W, WiFi spy-shop.ro
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Invertor On-Grid monofazat Solplanet ASW4000-S, 4 kW, 4000 W, WiFi
Solplanet Invertor On-Grid monofazat Solplanet ASW4000-S, 4 kW, 4000 W, WiFi spy-shop.ro
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Invertor solar 3KW on grid monofazat IP65 V-TAC SKU-11369
V-TAC Invertor solar 3KW on grid monofazat IP65 V-TAC SKU-11369 vonmag.ro
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Invertor monofazat ON-GRID 3KW cu 2 MPPT conexiune wifi - Afore HNS3000TL-2
Afore Invertor monofazat ON-GRID 3KW cu 2 MPPT conexiune wifi - Afore HNS3000TL-2 a2t.ro
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Invertor On-Grid monofazat Solplanet ASW5000-S, 5kW, 5000 W, WiFi
Solplanet Invertor On-Grid monofazat Solplanet ASW5000-S, 5kW, 5000 W, WiFi spy-shop.ro
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Invertor On-grid trifazat Livoltek GT3-5KD2, 5 kW, 7500 Wp, WiFi, Bluetooth, 2 MPPT
Livoltek Invertor On-grid trifazat Livoltek GT3-5KD2, 5 kW, 7500 Wp, WiFi, Bluetooth, 2 MPPT spy-shop.ro
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Invertor On-grid trifazat Livoltek GT3-6KD2, 6 kW, 9000 Wp, WiFi, Bluetooth, 2 MPPT
Livoltek Invertor On-grid trifazat Livoltek GT3-6KD2, 6 kW, 9000 Wp, WiFi, Bluetooth, 2 MPPT spy-shop.ro
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Invertor On-Grid monofazat Sungrow SG3.6RS, 3.6kW, 3680 W, WiFi
Sungrow Invertor On-Grid monofazat Sungrow SG3.6RS, 3.6kW, 3680 W, WiFi spy-shop.ro
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Invertor On-grid trifazat Livoltek GT3-8KD2, 8 kW, 12000 Wp, WiFi, Bluetooth, 2 MPPT
Livoltek Invertor On-grid trifazat Livoltek GT3-8KD2, 8 kW, 12000 Wp, WiFi, Bluetooth, 2 MPPT spy-shop.ro
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Invertor On Grid monofazat Sol Planet ASW6000-S-G2, 6kW, 6000W, WiFi
Solplanet Invertor On Grid monofazat Sol Planet ASW6000-S-G2, 6kW, 6000W, WiFi spy-shop.ro
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Invertor monofazat ON-GRID 5KW cu 2 MPPT conexiune wifi - Afore HNS5000TL-2
Afore Invertor monofazat ON-GRID 5KW cu 2 MPPT conexiune wifi - Afore HNS5000TL-2 a2t.ro
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Invertor On-grid trifazat Livoltek GT3-10KD2, 10 kW, 15000 Wp, WiFi, Bluetooth, 2 MPPT
Livoltek Invertor On-grid trifazat Livoltek GT3-10KD2, 10 kW, 15000 Wp, WiFi, Bluetooth, 2 MPPT spy-shop.ro
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Invertor On-Grid monofazat Sungrow SG4.0RS, 4 kW, 4000 W, WiFi
Sungrow Invertor On-Grid monofazat Sungrow SG4.0RS, 4 kW, 4000 W, WiFi spy-shop.ro
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Invertor fotovoltaic Off-grid monofazat TED003898, 5100 VA, 3500 W, MPPT, 2 prize
TED Invertor fotovoltaic Off-grid monofazat TED003898, 5100 VA, 3500 W, MPPT, 2 prize spy-shop.ro
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Invertor On-Grid monofazat Sungrow SG2.0RS-S, 2kW, 2000 W, WiFi
Sungrow Invertor On-Grid monofazat Sungrow SG2.0RS-S, 2kW, 2000 W, WiFi spy-shop.ro
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Invertor On-Grid monofazat Sungrow SG2.5RS-S, 2.5kW, 2500 W, WiFi
Sungrow Invertor On-Grid monofazat Sungrow SG2.5RS-S, 2.5kW, 2500 W, WiFi spy-shop.ro
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Invertor Monofazat ON GRID, 3KW, pentru sisteme fotovoltaice, Growatt, MIN-3000-TL-XE(AFCI)
GROWATT Invertor Monofazat ON GRID, 3KW, pentru sisteme fotovoltaice, Growatt, MIN-3000-TL-XE(AFCI) a2t.ro
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Invertor solar 3KW on grid monofazat IP65 V-TAC SKU-11379
V-TAC Invertor solar 3KW on grid monofazat IP65 V-TAC SKU-11379 vonmag.ro
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Invertor On-Grid monofazat Sungrow SG5.0RS, 5 kW, 5000 W, WiFi
Sungrow Invertor On-Grid monofazat Sungrow SG5.0RS, 5 kW, 5000 W, WiFi spy-shop.ro
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Cum alegi invertor on grid ieftin

Verifica puterea nominala a invertorului. Un invertor de 1 kW e suficient pentru un frigider si un televizor. Daca ai panouri de 2 kW, invertorul trebuie sa fie cel putin la fel. Nu cumpara un invertor mai mic decat sistemul tau.

Uita-te la tipul de unda de iesire. Invertorii on-grid ieftini au de obicei unda sinusoidala modificata. Functioneaza pentru majoritatea aparatelor. Unda sinusoidala pura e mai scumpa si pentru echipamente sensibile.

Evita invertorii fara certificari de siguranta. Verifica daca are protectie impotriva supracurentului si a supracalzirii. Nu te baza doar pe pretul cel mai mic. Un invertor defect poate strica panourile sau aparatele.

Instaleaza invertorul intr-un loc racoros si uscat. Caldura reduce durata de viata. Pastreaza distanta de cel putin 30 cm de pereti pentru ventilatie. Asigura-te ca firele sunt de sectiune corespunzatoare.

Avantaje
  • pret accesibil pentru puteri mici pana la 2 kW
  • montaj relativ simplu, compatibil cu majoritatea panourilor
  • economisire pe termen lung a facturii de energie
Dezavantaje
  • eficienta mai mica decat la modele premium, de obicei sub 95%
  • zgomot de ventilator mai audibil la sarcina mare
  • garantie mai scurta, de 2-3 ani in medie

Intrebari frecvente

Invertorul este conectat la retea. Trimite surplusul de energie in sistem. Nu functioneaza la panou daca reteaua este intrerupta.
Nu, pentru buget limitat. Alimenteaza doar consumatori esentiali. Calculeaza puterea totala a aparatelor pe care vrei sa le conectezi.
Da, pentru conectare la retea. Contacteaza furnizorul de energie inainte de achizitie. Fara aprobare, nu poti vinde surplusul.
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